Pre processing a field and pushing it back into the input stream


(Rinaldo DiGiorgio) #1

Hi there,

I think I know the answer. I read the docs and it seems to indicate that I
would need to make it a nested query. I thought I would ask so I could
gain some confidence that I am starting to read and understand the
documentation and terminology.

I have records like this

  • a: Brave New World
  • b: Matrix
  • c:1,2,3,4,5,6|0|The Selfish Gene
  • d: alpha
  • e: Mac
  • f: Safari
  • g: 7
  • h: en

I have millions of records like this. I want to count the values in c as
individual values

  • a: Brave New World
  • b: Matrix
  • c:3,5|0|The Selfish Gene
  • d: alpha
  • e: Mac
  • f: Safari
  • g: 7
  • h: en

the answer would be

1,1
2,1
3,2
4,1
5,2
6,1

I know how to get the c records and then extract the values myself by doing
two splits putting them into an array and sorting it.

What I would like to do is not do that work because I have many json
objects with the same property. Yes I can create an individual entry for
each one. I am asking can I parse a match and push it back on the output
stream so that it can be recounted.

Rinaldo

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(system) #2